package com.zy.mobile.message.push.netty.chapter3;

import java.util.Date;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import io.netty.buffer.ByteBuf;
import io.netty.buffer.Unpooled;
import io.netty.channel.ChannelHandlerAdapter;
import io.netty.channel.ChannelHandlerContext;

/**
 * Netty timeServer 请求处理
 * @author zhangyi
 *
 */
public class NettyTimeServerHandler extends ChannelHandlerAdapter{
	
	private Logger logger = LoggerFactory.getLogger(NettyTimeServerHandler.class);
	
	@Override
	public void channelRead(ChannelHandlerContext ctx, Object msg)
			throws Exception {
		// TODO Auto-generated method stub
		ByteBuf buf = (ByteBuf) msg;
		byte[] req = new byte[buf.readableBytes()];
		buf.readBytes(req);
		String body = new String(req,"UTF-8");
		logger.info(" the time server receive order "+body);
		String currentTime = "query time order".equalsIgnoreCase(body)? 
				new Date(System.currentTimeMillis()).toString() : "bad order";
		ByteBuf resp = Unpooled.copiedBuffer(currentTime.getBytes());
		ctx.write(resp);
	}
	
	@Override
	public void channelReadComplete(ChannelHandlerContext ctx) throws Exception {
		// TODO Auto-generated method stub
		ctx.flush();
	}
	
	@Override
	public void exceptionCaught(ChannelHandlerContext ctx, Throwable cause)
			throws Exception {
		// TODO Auto-generated method stub
		ctx.close();
	}
}
